One Day (TV) Cast
The cast of One Day. Updated on September 18, 2025.
61 actors
Ambika Mod
as Emma (14 episodes)

Ambika Mod portrays Emma Morley in the upcoming British television series One Day.

Leo Woodall
as Dexter (14 episodes)

Leo Woodall takes on the role of Dexter Mayhew in the upcoming British television series One Day.

Essie Davis
as Alison Mayhew (14 episodes)

Essie Davis portrays Alison Mayhew in the upcoming British television series One Day.

Tim McInnerny
as Stephen Mayhew (14 episodes)

Tim McInnerny takes on the role of Stephen Mayhew in the upcoming British television series One Day.

Amber Grappy
as Tilly (14 episodes)
Jonny Weldon
as Ian (14 episodes)

Jonny Weldon portrays Ian in the upcoming British television series One Day.

Eleanor Tomlinson
as Sylvie (14 episodes)

Eleanor Tomlinson brings the character Sylvie to life in the upcoming British television series One Day.

Brendan Quinn
as Callum (14 episodes)

Brendan Quinn brings the character Callum to life in the upcoming British television series One Day.

Billie Gadsdon
as Jasmine (14 episodes)
Toby Stephens
as Lionel Cope (14 episodes)
Joely Richardson
as Helen Cope (14 episodes)
Adam Loxley
as Graham (14 episodes)
Tim Preston
as Gary (14 episodes)
John Macmillan
as Aaron (14 episodes)
Rebekah Murrell
as Suki (14 episodes)
Jodie Price
as Sonya (14 episodes)
Sophie Wolff
as Tara (14 episodes)
Joseph Pharoah
as Andy (14 episodes)
Meghan Treadway
as Kate (14 episodes)
Ella-Rae Smith
as Naomi (14 episodes)
Mathilde Storm
as Tove (14 episodes)
Sam Swann
as Damian (14 episodes)
Beth Lindsey
as Sarah (14 episodes)
Mark Rowley
as Mr. Godalming (14 episodes)
Anthony Calf
as Sid (14 episodes)
Edouard Chény
as Jean-Pierre (14 episodes)
Emily Eaton-Plowright
as Candy (14 episodes)
John Tueart
as Andrew (14 episodes)
Hanna van Vliet
as Lotte (14 episodes)
Emily Butcher
as Caroline (1 episode)
Tim Preston
as Gary (1 episode)
Freya Parker
as Tracey (1 episode)
Ike Bennett
as Kwame (1 episode)
Amy Booth-Steel
as Scottie (1 episode)
Alex Gibson-Giorgio
as Paddy (1 episode)
Robert Cawsey
as Pete (1 episode)
Jeremiah Burlen
as Martin (1 episode)
Natasha Joseph
as Mrs. Grainger (1 episode)
Anne Bird
as Mary (2 episodes)
Charlie Norton
as Kyle (1 episode)
Tom Claxton
as Drew (1 episode)
Jo-Anne Stockham
as Donna (1 episode)
Will Hislop
as Toby (2 episodes)
Gareth Evans
as Gavin (1 episode)
Finlay Alderson
as Sam (1 episode)
Angus Alderson
as Murray (1 episode)
Ani Nelson
as Nana (1 episode)
Paul G. Raymond
as Raj (1 episode)
Julia Frith
as Fiona (1 episode)
Gary Forbes
as Leon (1 episode)
Remy Beasley
as Suzanne (1 episode)
Abby Russell
as Yvonne (1 episode)
Joe Barnes
as Nigel (1 episode)
Amine Lansari
as Malik (1 episode)
Matt Tait
as Estate agent (1 episode)
Sara Cox
as Radio DJ (voice) (1 episode)
Adam Leese
as Fishmonger guy (1 episode)
Yelyzaveta Tsilyk
as Maddy (1 episode)
Evelyn Teixeira
as Jasmine (young) (1 episode)
Clea Martin
as Barbara (1 episode)
Stephen Whitfield
as Caretaker (1 episode)
For the best insights and data about the TV show One Day, visit our main One Day page.